CN107639884B - A kind of preparation method of seamless spliced honeycomb core material - Google Patents
A kind of preparation method of seamless spliced honeycomb core material Download PDFInfo
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Abstract
The invention belongs to honeycomb manufacturing technologies, are related to a kind of preparation method of seamless spliced honeycomb core material.The present invention selects the non-metal honeycomb of identical material to be spliced, identical size, carries out trimming processing to honeycomb splicing edge；Then, notch pretreatment is carried out to honeycomb to be spliced respectively along splicing line, makes the opening-like state of honeycomb inner wall at splicing edge, node glue is applied on the inside of honeycomb notch splicing edge；Splicing edge both ends open is embedded into interpolation again, both ends are coated with section notch for dispensing glue and are mutually bonded, and form complete honeycomb cell in stitching portion, and bonding edge is sturdy by wire fixation；Finally the honeycomb that splicing is completed is put into drying chamber and is heated, after the completion of to be solidified, after being cooled to room temperature, wire removed, completes the seamless solidification of gluing notch splicing edge.The present invention designs interpolation notch using the cell characteristic of honeycomb core material, and the fixed function of complexed metal silk completes the seamless binding of honeycomb core material；Largely keep the cellular whole continuity of splicing.
Description
Technical field
The invention belongs to honeycomb manufacturing technologies, are related to a kind of preparation method of seamless spliced honeycomb core material.
Background technique
Currently, if honeycomb core material splicing is real by the method for being directly glued dry plate cell edge using foamed glue
It is existing.But this method will lead to that honeycomb adhesive edge fit is blocked up, for for noise reduction, inhale the fields such as wave functional cellular material and
Speech, the splicing Bian Zehui that foamed glue is formed seriously affect integrally-built noise reduction, absorbing property.
Summary of the invention
The purpose of the present invention is in view of the above shortcomings of the prior art, propose the preparation method of seamless spliced honeycomb core material.
The technical solution of the invention is as follows:
(1) non-metal honeycomb for selecting identical material to be spliced, identical size, carries out at trimming honeycomb splicing edge
Reason；
(2) notch pretreatment is carried out to honeycomb to be spliced respectively along splicing line, keeps honeycomb inner wall at splicing edge opening-like
State, honeycomb notch inner wall side length is the long 60-95% of honeycomb inner wall primary side at splicing edge, and node glue is applied to the splicing of honeycomb notch
On the inside of side；
(3) honeycomb splices, and splicing edge both ends open is embedded interpolation, and both ends are coated with section notch for dispensing glue and are mutually bonded,
Stitching portion forms complete honeycomb cell, and bonding edge is sturdy by wire fixation；
(4) honeycomb that splicing is completed is put into drying chamber and is heated, after the completion of to be solidified, after being cooled to room temperature,
Wire is removed, the seamless solidification of gluing notch splicing edge is completed.
The splicing honeycomb be positive hexagonal honeycomb core material and honeycomb aperture it is consistent.
For the thickness of the non-metal honeycomb in 5mm-300mm, honeycomb inner cavity side length should be in 1.0-10.0mm.
The node sol solution concentration is 10-70%, and node adhesiveness is 30mPa.s~1000mPa.s, node sol solution
Thickness t=0.01mm~0.2mm of coating.
The fixed wire diameter 0.02mm-1.0mm.
Splicing honeycomb ventilation after fixed wire, which is hung 1-2 hours, enters drying chamber solidification after so that solution is sufficiently volatilized.
The present invention have the advantage that and the utility model has the advantages that
Present invention employs a kind of simple and easy methods for realizing seamless spliced honeycomb piece.By using ordinary node glue, utilize
The special regular hexagon structure of honeycomb itself carries out special incision treatment to hexagonal honeycomb, node glue coats.Same aperture
The embedded grafting of notch splicing edge is fixed splicing glue-application-edge using wire, cooperates drying chamber high-temperature shaping, can be realized
Seamless spliced same this technical process of pore diameter honeycomb material.Compare traditional bonding honeycomb technique, seamless spliced honeycomb high degree
The upper cellular whole continuous function performance of holding splicing, while keeping its globality exterior appearance.
It is also an advantage of the present invention that:
1. seamless spliced honeycomb core material preparation method, distinguishing feature is at two pieces of honeycomb core material splicing edges to be spliced
Wall carries out trimming processing, to progress glue coating processing on the inside of splicing trimming.Give full play to same aperture regular hexagon cellular material
Geometry characteristic, it is seamless applying that the embedded interpolation of gluing splicing edge may be implemented；
2. the cellular seamless solidification of splicing can be realized in the fixed function of complexed metal silk.Compared with than tradition foam adhesive process,
This method is simple and easy, is glued mold without configuring, and the cost input for greatly reducing material preparation aspect farthest subtracts
Splice overall function decline at honeycomb splicing seams less.
3. seamless spliced honeycomb core can effectively improve the spliced overall appearance of honeycomb, for absorbing sound, inhaling the functions such as wave
Property honeycomb it is possible to prevente effectively from because being glued side blocked up bring overall performance decline.
This techniqueflow sufficiently incorporates relevant mature technology, realizes design, manufacture and the technology collection of low cost
At comprehensive utilization.The present invention mentions on the basis of legacy cellular foamed glue splicing on the basis of the foaming splicing of existing honeycomb connects
Out one it is new it is seamless spliced design and manufacture scheme, can be widely used for the sqouynd absorption lowering noise for splicing seams sensitivity, suction wave, electricity
The preparation of magnetic screen class functional cellular core material forms.
Detailed description of the invention
Fig. 1 is splicing edge incision treatment schematic diagram of the present invention, and (1 is honeycomb, and 2a is the W of honeycomb to splicing
Side)；
Fig. 2 is splicing edge incision treatment schematic diagram of the present invention, and (1 is honeycomb, and 2b is the L of honeycomb to splicing
Side)；
Fig. 3 is splicing edge incision treatment schematic diagram of the present invention, (1 is honeycomb, and 2a is the W of honeycomb to splicing edge,
2b is the L of honeycomb to splicing edge)；
Fig. 4 is that the W of honeycomb of the present invention coats node glue to honeycomb splicing edge notch and splicing edge embeds interpolation and shows
It is intended to (1 is honeycomb, and 3a is to be coated with the honeycomb W of node glue to splicing edge)；
Fig. 5, which is L of the present invention to honeycomb splicing edge notch, coats node glue and splicing edge embeds interpolation schematic diagram (1 is bee
Nest structure, 3b are to be coated with the honeycomb L of node glue to splicing edge)；
Fig. 6, which is W/L of the present invention to honeycomb splicing edge notch, coats node glue and splicing edge embeds interpolation schematic diagram (1 is
Honeycomb, 3a are to be coated with the honeycomb W of node glue to splicing edge, and 3b is the honeycomb L for being coated with node glue
To splicing edge)；
Fig. 7 be W of the present invention to the fixed schematic diagram of honeycomb splicing edge wire (1 is honeycomb, 4a be it is glutinous it is viscous after W to nothing
Splicing edge is stitched, 6 be fixed wire)
Fig. 8 be L of the present invention to the fixed schematic diagram of honeycomb splicing edge wire (1 is honeycomb, 4b it is glutinous it is viscous after L to seamless
Splicing edge, 6 be fixed wire)
Fig. 9 be W/L of the present invention to the fixed schematic diagram of honeycomb splicing edge wire (1 honeycomb, 4a it is glutinous it is viscous after W to seamless
Splicing edge, the glutinous viscous rear L of 4b fix wires to seamless spliced side, 6)
Figure 10 is after the present invention enters drying chamber solidification, to remove fixed wire W to seamless spliced honeycomb finished product schematic (5a
It is that for W to seamless spliced side, 7 be seamless spliced honeycomb after solidifying)
Figure 11 is after the present invention enters drying chamber solidification, to remove fixed wire L to seamless spliced honeycomb finished product schematic (5b
Be after solidification L to seamless spliced side, 7 seamless spliced honeycombs)
Figure 12 is after the present invention enters drying chamber solidification, to remove fixed wire W/L to seamless spliced honeycomb finished product schematic
(5a be after solidification W to seamless spliced side, 5b be after solidification L to seamless spliced side, 7 seamless spliced honeycombs)
Specific embodiment
The technology that designs and prepares of the invention is described in further details below by embodiment.
(1) aramid fiber paper honeycomb, glass cloth honeycomb or plant fiber honeycomb are selected, cellular thickness is in 5mm-300mm, bee
Nest inner cavity side length should be in 1.0-10.0mm；
(2) to honeycomb splicing edge carry out trimming processing, using guarded blade utility knife along splicing line respectively to two pieces of honeycombs to be spliced into
The pretreatment of row notch, making honeycomb inner wall notch at its splicing edge is in unified open state, six sides wherein honeycomb to be spliced need to be positive
Shape honeycomb and internal diameter is consistent；
(3) to node glue coating processing is carried out on the inside of the honeycomb splicing edge after incision treatment, node glue is using common
Epoxy node glue and ethyl acetate solution are prepared；
(4) the embedded interpolation of splicing edge both ends open formula notch is used, gluing notch is sturdy by wire fixation, it will
Honeycomb, which is put into drying chamber, carries out high-temperature process, completes the seamless solidification of gluing notch splicing edge.
The manufacturing technology of seamless spliced honeycomb core material as described above, steps are as follows for designing technique:
(1) common epoxy node glue is selected, saves solidification temperature range for dispensing glue at 50 DEG C -200 DEG C；
(2) selection is used for seamless spliced honeycomb core material, such as aramid fiber paper honeycomb, glass cloth honeycomb or plant fiber bee
The non-metal honeycombs such as nest, it is main to select aramid fiber paper honeycomb or glass cloth honeycomb.Cellular thickness in 5mm-300mm, honeycomb inner cavity
Side length should be in 1.0-10.0mm；
(3) materials that ductility are good and flexibility is high such as copper wire, aluminium wire is selected to be used for the fixation of honeycomb splicing seams.It will be upper
Material is stated to alternately pass through splicing seams honeycomb inner cavity nearby perpendicular to splicing seams direction, so that sticking viscous splicing seams passes through metal
Silk is fixed, even closer fitting；
(4) will solidify in the fixed splicing honeycomb merging baking oven of wire, solidification temperature range is at 50-220 DEG C, solidification
Time is 0.5-2 hours；
(5) it takes out seamless spliced honeycomb to be cooled to room temperature, removes wire, obtain seamless spliced honeycomb core material finished product.
Embodiment 1
(1) select cell side length for the glass cloth honeycomb of 2mm；
(2) select epoxy core bar glue as node glue material, the node glue trade mark is J-80B epoxy resin (Heilungkiang petrochemical industry
Institute's product), using ethyl acetate as solvent, preparing node sol solution concentration is 10%；
(3) to honeycomb core material to be spliced along W to carry out inner wall trimming, obtain W to splicing edge 2a (such as Fig. 1), splicing edge
Length is 1.6mm；
(4) the node glue of preparation is respectively coated in splicing cellular W to splicing edge 2a, obtain coating node glue W to
Splicing edge 3a (such as Fig. 4)；
(5) the embedded interpolation of splicing edge is completed using honeycomb cell geometrical property, and using wire 6 along perpendicular to coating
Node glue W is fixed to the direction splicing edge 3a, so that glutinous viscous rear W fits closely (such as Fig. 7) to seamless spliced side 4a；
(6) according to the requirement of epoxy resin J-80B operation instructions, temperature is risen into resin J-80B solidification temperature 50-
200 DEG C of progress curing operations, curing time 0.5-2 hour；
(7) it takes out after honeycomb is cooled to room temperature, removes fixed wire, obtain with W to seamless spliced honeycomb 7a (such as
Figure 10).
Embodiment 2
(1) it is with the main distinction of embodiment 1, selects cell side length for the plant fiber honeycomb of 10mm；
(2) to honeycomb core material to be spliced along L to carry out inner wall trimming, obtain L to splicing edge 2b (such as Fig. 2), splicing edge
Length is 9.5mm；
(3) the node glue of preparation is respectively coated in splicing cellular L to splicing edge 2b, obtain coating node glue L to
Splicing edge 3b (such as Fig. 5)；
(4) the embedded interpolation of splicing edge is completed using honeycomb cell geometrical property, and using wire 6 along perpendicular to coating
Node glue L is fixed to the direction splicing edge 3b, so that glutinous viscous rear L fits closely (such as Fig. 8) to seamless spliced side 4b；
(5) according to the requirement of epoxy resin J-80B operation instructions, temperature is risen into resin J-80B solidification temperature 50-
200 DEG C of progress curing operations, curing time 0.5-2 hour；
(6) it takes out after honeycomb is cooled to room temperature, removes fixed wire, obtain with L to seamless spliced honeycomb
7b (such as Figure 11).
Embodiment 3
(1) it is with the main distinction of embodiment 1 and embodiment 2, selects cell side length for 5mm aramid fiber paper honeycomb；
(2) to honeycomb core material to be spliced along W and L to carry out inner wall trimming, obtain W and L to splicing edge 2a, 2b (as scheme
3), splicing edge side length is 4mm；
(3) the node glue of preparation is respectively coated in splicing cellular W and L to splicing edge 2a, 2b, obtains coating node
Glue W and L is to splicing edge 3a, 3b (such as Fig. 6)；
(4) the embedded interpolation of splicing edge is completed using honeycomb cell geometrical property, and using wire 6 along perpendicular to coating
Node glue W and L is fixed to the direction splicing edge 3a, 3b, so that glutinous viscous rear W and L is fitted closely to seamless spliced side 4a, 4b
(such as Fig. 9)；
(5) according to the requirement of epoxy resin J-80B operation instructions, temperature is risen into resin J-80B solidification temperature 50-
200 DEG C of progress curing operations, curing time 0.5-2 hour；
(6) it takes out after honeycomb is cooled to room temperature, removes fixed wire, obtain with W and L to seamless spliced honeycomb knot
Structure 7c (such as Figure 12).
Claims (6)
1. a kind of preparation method of seamless spliced honeycomb core material, it is characterised in that:
(1) non-metal honeycomb for selecting identical material to be spliced, identical size carries out trimming processing to honeycomb splicing edge；
(2) notch pretreatment is carried out to honeycomb to be spliced respectively along splicing line, makes the opening-like state of honeycomb inner wall at splicing edge, spelled
Honeycomb notch inner wall side length is the long 60-95% of honeycomb inner wall primary side at edge fit, and node glue is applied in honeycomb notch splicing edge
Side；
(3) honeycomb splices, and splicing edge both ends open is embedded interpolation, both ends are coated with section notch for dispensing glue and are mutually bonded, splicing
Place forms complete honeycomb cell, and bonding edge is sturdy by wire fixation；
(4) honeycomb that splicing is completed is put into drying chamber and is heated, after the completion of to be solidified, after being cooled to room temperature, removal
Wire completes the seamless solidification of gluing notch splicing edge.
2. a kind of preparation method of seamless spliced honeycomb core material according to claim 1, which is characterized in that the splicing bee
Nest be positive hexagonal honeycomb core material and honeycomb aperture it is consistent.
3. a kind of preparation method of seamless spliced honeycomb core material according to claim 1, which is characterized in that described nonmetallic
For cellular thickness in 5mm-300mm, honeycomb inner cavity side length should be in 1.0-10.0mm.
4. a kind of preparation method of seamless spliced honeycomb core material according to claim 1, which is characterized in that the node glue
Solution concentration is 10-70%, and node adhesiveness is 30mPa.s~1000mPa.s, the thickness t=of node sol solution coating
0.01mm~0.2mm.
5. a kind of preparation method of seamless spliced honeycomb core material according to claim 1, which is characterized in that the fixed use
Wire diameter 0.02mm-1.0mm.
6. a kind of preparation method of seamless spliced honeycomb core material according to claim 1, which is characterized in that fixed wire
Splicing honeycomb ventilation afterwards, which is hung 1-2 hours, enters drying chamber solidification after so that solution is sufficiently volatilized.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109093991B (en) * | 2018-09-13 | 2023-12-29 | 博斯特智能科技(张家港)有限公司 | Hexagonal honeycomb forming roller |
| CN111267452B (en) * | 2020-01-21 | 2021-02-09 | 江苏奇一科技有限公司 | Continuous honeycomb core material, honeycomb core sandwich composite plate and preparation method and equipment thereof |
| CN115198039B (en) * | 2020-07-02 | 2023-11-07 | Ummily集团股份有限公司 | Splicing unit, splicing structure and leather product manufacturing method |
| CN112373133A (en) * | 2020-11-11 | 2021-02-19 | 航天特种材料及工艺技术研究所 | Spliced honeycomb panel and production method thereof |
| CN112331375B (en) * | 2020-11-23 | 2022-09-20 | 四川玄武岩纤维新材料研究院(创新中心) | Fiber honeycomb fabric nuclear shielding composite material and preparation method and application thereof |
| CN113232310B (en) * | 2021-06-09 | 2023-05-16 | 中国人民解放军空军研究院航空兵研究所 | Glue joint method of aluminum honeycomb structural member |
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|---|---|---|---|---|
| US5938875A (en) * | 1996-03-28 | 1999-08-17 | The Boeing Company | Structural bonding process with encapsulated foaming adhesive |
| CN101903160A (en) * | 2008-01-23 | 2010-12-01 | 埃尔塞乐公司 | Method for joining cellular acoustic panels |
| CN102292210A (en) * | 2009-02-05 | 2011-12-21 | 埃尔塞乐公司 | Method for manufacturing a structure with cellular cores for a turbojet nacelle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7954224B2 (en) * | 2006-08-18 | 2011-06-07 | Rohr, Inc. | Method of joining composite honeycomb sections |
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2017
- 2017-08-09 CN CN201710675051.8A patent/CN107639884B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5938875A (en) * | 1996-03-28 | 1999-08-17 | The Boeing Company | Structural bonding process with encapsulated foaming adhesive |
| CN101903160A (en) * | 2008-01-23 | 2010-12-01 | 埃尔塞乐公司 | Method for joining cellular acoustic panels |
| CN102292210A (en) * | 2009-02-05 | 2011-12-21 | 埃尔塞乐公司 | Method for manufacturing a structure with cellular cores for a turbojet nacelle |
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